{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "arguments": ["Subject", "Treatment.Duration", "Treatment.Drug", "Treatment.Disorder", "Effect", "Treatment.Freq", "Treatment.Dosage", "Subject.Population", "Combination.Drug", "Treatment.Route", "Subject.Gender", "Subject.Age", "Treatment"]}], "input": "Anxiety is common in patients with schizophrenia and pregabalin has been suggested as an off-label add-on treatment."}
{"adverse event": []}